/***************************************************************************
 * Bytecode Viewer (BCV) - Java & Android Reverse Engineering Suite        *
 * Copyright (C) 2014 Konloch - Konloch.com / BytecodeViewer.com           *
 *                                                                         *
 * This program is free software: you can redistribute it and/or modify    *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation, either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 ***************************************************************************/

package the.bytecode.club.bytecodeviewer.gui.contextmenu;

import the.bytecode.club.bytecodeviewer.gui.contextmenu.resourcelist.*;
import the.bytecode.club.bytecodeviewer.gui.resourcelist.ResourceTree;
import the.bytecode.club.bytecodeviewer.searching.LDCSearchTreeNodeResult;

import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Konloch
 * @since 7/26/2021
 */
public class ContextMenu
{
    private static final ContextMenu SINGLETON = new ContextMenu();
    private final List<ContextMenuItem> contextMenuItems = new ArrayList<>();

    static
    {
        //resource list
        addContext(new Delete()); //TODO add support for resources & whole parent nodes (directories)
        addContext(new New());
        addContext(new Open());
        addContext(new QuickOpen());
        addContext(new QuickEdit());
        addContext(new Expand());
        addContext(new Collapse());

        //search box
        addContext(new the.bytecode.club.bytecodeviewer.gui.contextmenu.searchbox.Open());
        addContext(new the.bytecode.club.bytecodeviewer.gui.contextmenu.searchbox.QuickOpen());
        addContext(new the.bytecode.club.bytecodeviewer.gui.contextmenu.searchbox.QuickEdit());
    }

    public static void addContext(ContextMenuItem menuItem)
    {
        SINGLETON.contextMenuItems.add(menuItem);
    }

    public static void buildMenu(ResourceTree tree, TreePath selPath, LDCSearchTreeNodeResult selectedNode, JPopupMenu menu)
    {
        menu.removeAll();

        boolean searchBoxPane = selectedNode != null;
        boolean isContainerSelected = !searchBoxPane && selPath.getParentPath() != null && selPath.getParentPath().getParentPath() == null;
        boolean isResourceSelected = false;

        //TODO this is hacky - there is probably a better way to do this
        if (!searchBoxPane)
        {
            tree.setSelectionPath(selPath);
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();
            isResourceSelected = !node.children().hasMoreElements();
        }

        for (ContextMenuItem item : SINGLETON.contextMenuItems)
        {
            switch (item.getMenuType())
            {
                case CONTAINER:
                    if (!isContainerSelected)
                        continue;
                    break;
                case RESOURCE:
                    if (!isResourceSelected || isContainerSelected)
                        continue;
                    break;
                case DIRECTORY:
                    if (isResourceSelected || searchBoxPane)
                        continue;
                    break;
                case RESOURCE_LIST:
                    if (searchBoxPane)
                        continue;
                    break;
                case SEARCH_BOX_RESULT:
                    if (!searchBoxPane)
                        continue;
                    break;
            }

            item.getBuildContextMenuItem().buildMenu(tree, selPath, selectedNode, menu);
        }
    }
}
